There are several synonyms for the medical term TPN (Total Parenteral Nutrition), which is a method of delivering nutrients directly into a person's bloodstream. Some alternative terms include intravenous nutrition, parenteral nutrition, and hyperalimentation therapy. These all refer to the same process of providing essential nutrients, such as protein, carbohydrates, fats, vitamins, and minerals, to individuals who can't consume food or absorb nutrients through their digestive system. TPN is commonly used in hospitalized patients, those with gastrointestinal disorders, or individuals undergoing surgery or chemotherapy. Understanding these synonyms can help patients and health professionals better communicate and understand the importance of this essential medical treatment.